net: add net device refcount tracker to struct packet_type
Most notable changes are in af_packet, tipc ones are trivial.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Jon Maloy <jmaloy@redhat.com>
Cc: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index 60bc74b..473a790 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -787,7 +787,7 @@ int tipc_attach_loopback(struct net *net)
if (!dev)
return -ENODEV;
- dev_hold(dev);
+ dev_hold_track(dev, &tn->loopback_pt.dev_tracker, GFP_KERNEL);
tn->loopback_pt.dev = dev;
tn->loopback_pt.type = htons(ETH_P_TIPC);
tn->loopback_pt.func = tipc_loopback_rcv_pkt;
@@ -800,7 +800,7 @@ void tipc_detach_loopback(struct net *net)
struct tipc_net *tn = tipc_net(net);
dev_remove_pack(&tn->loopback_pt);
- dev_put(net->loopback_dev);
+ dev_put_track(net->loopback_dev, &tn->loopback_pt.dev_tracker);
}
/* Caller should hold rtnl_lock to protect the bearer */